package org.apache.jetspeed.portal.portlets.language;
/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *     "Apache Jetspeed" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache" or
 *    "Apache Jetspeed", nor may "Apache" appear in their name, without
 *    prior written permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * @author Dessė Massimiliano
 * desmax74@yahoo.it
 * massimiliano.dessi@gruppoatlantis.it
 * massimiliano.dessi@gruppoatlantis.com
 * version 1.0  10-2002
 * jdk 1.4.1
 */
import org.apache.jetspeed.portal.portlets.ConstructorHtml;

import org.apache.jetspeed.portal.portlets.AbstractPortlet;
import org.apache.jetspeed.util.template.BaseJetspeedLink;
import org.apache.jetspeed.om.security.*;

import org.apache.turbine.util.RunData;
import org.apache.turbine.services.velocity.TurbineVelocity;

import org.apache.ecs.ConcreteElement;
import org.apache.ecs.StringElement;

import org.apache.velocity.context.Context;

import javax.servlet.http.*;
import java.util.Locale;
import java.util.Properties;
import java.io.*;


public class ChangeLanguagePortlet extends AbstractPortlet {


    private static String REFRESH = "<META HTTP-EQUIV=\"REFRESH\" CONTENT=0,01 >";
    private StringBuffer text = new StringBuffer();
    private String refresh = "";


    public ConcreteElement getContent(RunData data) {

      String html = "";
      String userLanguage = "";

      HttpSession httpSession = data.getRequest().getSession();

      if (data.getUser().getPerm("language") != null)
      {
         userLanguage = (String)data.getUser().getPerm("language");
      }
      String requestLanguage = data.getRequest().getParameter("cL");

      ConstructorHtml constructor = new ConstructorHtml();
      html = constructor.getHtml(data,userLanguage,requestLanguage);

      if ( requestLanguage != null){
        if (!requestLanguage.equals(userLanguage)) {
          data.getUser().setPerm("language", requestLanguage);
          html = this.REFRESH + html;
        }
      }
    return (new StringElement(html.toString()));
    }
}